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150
RESULTS

Media Type
149
texts
1
movies
Availability
150
Always Available
Topics & Subjects
69
crop rotation
67
Crop rotation
24
plant cultural practices
18
cover crops
14
Agriculture
14
Assolement
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Collection
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Creator
4
united states. soil conservation service
3
chilcott, e. c. (ellery channing), 1859-1930
3
drake, j. a.
3
hopkins, e. s
2
arnold, j. h.
2
brodie, d. a.
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Language
145
English
3
French
1
Finnish
1
German
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